• The liver contains enzymes needed for many metabolic reactions involved in regulating the blood glucose and lipid concentrations (p. 579)
• The pancreas produces many enzymes needed for the digestion of food in the small intestine (p. 582)
• The digestion and absorption of carbohydrates, lipids, and proteins provides the body with the substrates used in cell metabolism (p. 587)
• Vitamins A and D help to regulate metabolism through the activation of nuclear receptors, which bind to regions of
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.